HydroBASINS lev08 watershed · #1080909760
Bassin · #1080909760
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Sunyani West, Tain, Techiman, Wenchi
Sub-basin area
597,8km²
Upstream area
3 475,3km²
Discharge
37,45m³/s
Mean elev.
246m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dannari2318 km²
- Bassin · #1080916900560 km²
4 dept-equivalent regions (GADM L2)
- 330.4 km²55.5% of basin
- 219.0 km²36.8% of basin
- 44.7 km²7.5% of basin
- 1.1 km²0.2% of basin
1 intersecting protected areas
Sawsaw
IUCN VIForest Reserve
64.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
233 distinct species · 723 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin · #1080909760 : 7 espèces reliées par 8 interactions GloBI sur 3 types (connectance 17.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,0°C
Annual rain
1 208mm
Moisture idx (CMI)
-0,26
Runoff
317mm/an
PET
1 633mm
AET
1 021mm
Mean slope
2,2°
Water table
176cm
Forest
32%
Crops
36%
Urban
7%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)